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11 Μαρ 2013 · Cubic Zirconia stones are rated from A to AAAAA. A is the Lowest Quality, while AAAAA is the Highest Grade available. There’s a difference in the look and the price between the Lowest and Highest Grade, and there’s a market for them all.
26 Απρ 2012 · Rated from lowest quality grade to highest, A, or 1A, are considered the lowest grade of machine-cut CZ while AAAAA, or 5A, are considered the very best. Rated based upon hardness, 5A cubic zirconia have a hardness of 8.5. Hand-Cut CZ Stones Quality.
1 Ιαν 2024 · Cubic zirconia stones are categorized into distinct quality grades. The grading scale, from 5A to A, affects appearance and price. Understanding these grades is crucial to making informed purchase decisions.
11 Σεπ 2022 · Cubic Zirconia stones are rated from A to AAAAA. A is the Lowest Quality, while AAAAA is the Highest Grade available. There’s a difference in the look and the price between the Lowest and Highest Grade, and there’s a market for them all.
23 Μαΐ 2022 · Cubic zirconia stones are graded based on these four standards: color, carat, clarity, and the cut. Color. To create a colored cubic zirconia stone, trace elements are added during the manufacturing process. These colors range from yellow, pink, lavender, violet, and champagne.
26 Φεβ 2024 · Cubic zirconia is graded based on quality, using these indicators: 5A, 4A, 3A, 2A, and AB (1A). The gemstone is also valued based on Mohs hardness, as the grade level ranks between 8 – 8.5 scale. The higher the hardness, the more durable and long-lasting the gemstone.
Cubic zirconia has several key properties that set it apart from diamond and contribute to its physical attraction: Optical Properties. CZ has an exceptional refractive index (2.15-2.18) and dispersion rate, exceeding that of a diamond (2.42) [4]. This allows it to demonstrate tremendous brilliance and fire.
